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Kegravitian part 2

Authored by HAZROL Moe

Physics

10th Grade

NGSS covered

Used 10+ times

Kegravitian part 2
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes Kepler’s 2nd Law of Planetary Motion?​


Penyataan yang manakah menerangkan Hukum Kepler Kedua?

A line that connects a planet to the Sun sweeps out equal areas in equal times.


Garis yang menyambungkan planet dengan Matahari akan mencakupi luas yang sama dalam selang masa yang sama apabila planet bergerak dalam orbitnya.

All planets move in elliptical orbits with the Sun at one focus.

Orbit bagi setiap planet adalah elips dengan Matahari berada di satu daripada fokusnya.

The square of the orbital period of any planet is directly proportional to the cube of the radius of its orbit.


Kuasa dua tempoh orbit planet adalah berkadar terus dengan kuasa tiga jejari orbitnya.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Where is the planet moving faster?


Di kedudukan manakah planet bergerak dengan laju?

Position A to B

Position B to C

Position H to I

Position I to J

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kepler's third law is represented by the following equation:

Hukum Kepler ketiga ditunjukkan oleh  persamaan:

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth's orbital radius is 1.5 x 10^11 m and it orbits the Sun in 1 year. If Mercury's orbital radius is 5.79 x 10^10 m, calculate the time taken for it to orbit the Sun.


Radius orbit Bumi ialah 1.5 x 10^11 m dan Bumi mengelilingi Matahari dalam tempoh 1 tahun. Jika radius orbit Utarid ialah 5.79 x 10^10 m, kira masa yang diambil untuk mengorbit Matahari.

0.240 years

0.386 years

0.621 years

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to calculate gravitational acceleration?


Yang manakah formula yang boleh digunakan untuk mengira pecutan graviti?

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to calculate centripetal force?


Yang manakah formula yang boleh digunakan untuk mengira daya memusat?

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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Kepler's 3rd law, the square of the time it takes for an object to orbit, T, is directly related to the cube of the distance, r, between the object and what it is orbiting.    
What this means is that if a satellite moves away from what it is orbiting,

the larger the constant k is.
the smaller the constant k is.
the longer the orbital period is.
the shorter the orbital period is.

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NGSS.HS-ESS1-4

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